A New Record of Mammals in Jiangsu:Leopoldamys Edwardsi and Morphological Description and Distribution Pattern of Niviventer Lotipes From Jiangsu
The collection of a Leopoldamys specimen took place on March 16th,2019,during the field surveys conducted for small mammals research in Taihua Town,Yixing,Jiangsu Province(119.563 922 73E,31.186 581 79N).The identification of the specimen as L.edwardsi(Thomas,1882)was confirmed through a series of morphological comparisons and phylogenetic analyses using Cyt b,COI and 16S rRNA gene fragments.This discovery signifies the first documented occurrence of a previously unknown mammal genus in Jiangsu Province.Additionally,between October 2022 and April 2023,twelve Niviventer specimens were collected from Tangshan in Jiangning District(118.995 810 21° E,31.992 147 46° N)and Ma'anshan in Gaochun District(118.956 078 1E,31.271 916 7N),Nanjing,Jiangsu Province.These specimens were confirmed as N.lotipes(Allen,1926)based on morphological and phylogenetic analyses.Furthermore,the distribution patterns of N.confucianus(Milne-Edwards,1871)and N.lotipes in the lower Yangtze River region were reassessed and analyzed in light of recent molecular phylogenetic findings.This study enhances our comprehension of mammalian diversity in Jiangsu and provides essential data for further research on the phylogeny,biogeography,and genetic diversity of related murid rodents.
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